#ifndef _AL_LOG_H
#define _AL_LOG_H

// https://pubs.opengroup.org/onlinepubs/009695399/functions/fprintf.html

#include <al/types.h>
#include <al/lib.h>

#ifdef AL_DEBUG
#define AL_LOG_ENABLE_DEBUG
#endif

AL_IGNORE_WARNING("-Wunused-variable")
#ifndef AL_LOG_SECTION
static const char *AL_LOG_SECTION_NAME = "";
#else
static const char *AL_LOG_SECTION_NAME = AL_LOG_SECTION;
#endif
AL_IGNORE_WARNING_END

#define __LOCATION__ (strrchr(__FILE__, '/') ? strrchr(__FILE__, '/') + 1 : (strrchr(__FILE__, '\\') ? strrchr(__FILE__, '\\') + 1 : __FILE__)), __LINE__, __FUNCTION__

#define AL_LOG_MESSAGE_SIZE 256u
#define AL_LOG_MESSAGE_LENGTH (AL_LOG_MESSAGE_SIZE - 1u)

enum {
    AL_LOG_INFO = 0,
    AL_LOG_WARN,
    AL_LOG_ERROR,
    AL_LOG_DEBUG,
    AL_LOG_TRACE
};

void al_set_print(s32 (*print_func)(void *, u8, char *), void *userdata);

s32 _al_log(u8 level, const char *section, const char *name, const s32 line, const char *func, bool no_args, const char *fmt, ...);
s32 _al_logv(u8 level, const char *section, const char *name, const s32 line, const char *func, bool no_args, const char *fmt, va_list args);

#define al_log(level, section, fmt, ...) _al_log(level, section, __LOCATION__, (sizeof((char[]){#__VA_ARGS__}) == 1), fmt, ##__VA_ARGS__)
#define al_logv(level, section, fmt, args) _al_logv(level, section, __LOCATION__, false, fmt, args)

#define log_info(fmt, ...) al_log(AL_LOG_INFO, AL_LOG_SECTION_NAME, fmt, ##__VA_ARGS__)
#define log_warn(fmt, ...) al_log(AL_LOG_WARN, AL_LOG_SECTION_NAME, fmt, ##__VA_ARGS__)
#define log_error(fmt, ...) al_log(AL_LOG_ERROR, AL_LOG_SECTION_NAME, fmt, ##__VA_ARGS__)
#if defined AL_LOG_ENABLE_DEBUG || defined AL_LOG_ENABLE_TRACE
#define log_debug(fmt, ...) al_log(AL_LOG_DEBUG, AL_LOG_SECTION_NAME, fmt, ##__VA_ARGS__)
#else
#define log_debug(fmt, ...) al_log_nop(AL_LOG_SECTION_NAME, fmt, ##__VA_ARGS__)
#endif
#ifdef AL_LOG_ENABLE_TRACE
#define log_trace(fmt, ...) al_log(AL_LOG_TRACE, AL_LOG_SECTION_NAME, fmt, ##__VA_ARGS__)
#else
#define log_trace(fmt, ...) al_log_nop(AL_LOG_SECTION_NAME, fmt, ##__VA_ARGS__)
#endif

static inline s32 al_log_nop(const char *section, const char *fmt, ...)
{
    (void)section; (void)fmt; return 0;
}

#endif // _AL_LOG_H